package com.xmy.count;

import java.util.concurrent.CyclicBarrier;

public class CyclicBarrierDemo {
    public static void main(String[] args) {
        CyclicBarrier cyclicBarrier = new CyclicBarrier(7,()->{
            System.out.println("召唤神龙！");
        });
        for (int i = 1; i < 8; i++) {
            int finalI = i;
            new Thread(()->{
                System.out.println(Thread.currentThread().getName()+"收集第"+finalI+"个龙珠");
                try {
                    cyclicBarrier.await();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            },"线程"+i).start();
        }
    }
}
